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Finding the Third Proportional to 3,699.19 and 5,587.03

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Solution

The third proportional to 3,699.19 and 5,587.03 is: 8,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.19 : 5,587.03 = 5,587.03 : x
  2. Step 2: Convert to fraction form
    3,699.19/5,587.03 = 5,587.03/x
  3. Step 3: Cross multiply
    3,699.19x = 5,587.03 × 5,587.03
  4. Step 4: Simplify right side
    3,699.19x = 31,214,918.19
  5. Step 5: Solve for x
    x = 31,214,918.19/3,699.19
  6. Step 6: Final answer
    x = 8,438.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.